해당 코드 올릴테니 답변 달아주시면 감사하겠습니다.
두번째 버튼을 누르면 이미지가 다운로드 되는 코드 입니다.
package com.Project.examplejson;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
public class MainActivity extends Activity {
ImageView img;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
img = (ImageView) findViewById(R.id.result);
}
public void mOnClick(View v){
String imageurl;
switch (v.getId()) {
case R.id.btndraw :
try {
InputStream is = new URL(imageurl).openStream();
Bitmap bit = BitmapFactory.decodeStream(is);
if(bit == null){
Toast.makeText(this, "bitmap is null", 0).show();
}
else{
img.setImageBitmap(bit);
}
is.close();
} catch (Exception e) {
Toast.makeText(this, "Error : " + e.getMessage(), 0).show();
}
break;
case R.id.btndown :
int idx = imageurl.lastIndexOf('/');
String localimage = imageurl.substring(idx + 1);
String path = Environment.getDataDirectory().getAbsolutePath();
path += "/data/exam.andexam/files/" + localimage;
if(new File(path).exists() == false){
DownloadImage(imageurl, localimage);
}
Bitmap bitmap = BitmapFactory.decodeFile(path);
img.setImageBitmap(bitmap);
break;
}
}
boolean DownloadImage(String Url, String FileName){
URL imageurl;
int Read;
try {
imageurl = new URL(Url);
HttpURLConnection conn = (HttpURLConnection) imageurl.openConnection();
int len = conn.getContentLength();
byte[] raster = new byte[len];
InputStream is = conn.getInputStream();
FileOutputStream fos = openFileOutput(FileName, 0);
for(;;){
Read = is.read(raster);
if(Read <= 0){
break;
}
fos.write(raster, 0, Read);
}
is.close();
fos.close();
conn.disconnect();
} catch (Exception e) {
Toast.makeText(this, "Error : " + e.getMessage(),0).show();
return false;
}
return true;
}
}